CN209084427U - A kind of lamps and lanterns with LED filament drive circuit board - Google Patents

Abstract

The utility model relates to field of light fittings, especially a kind of lamps and lanterns with LED filament drive circuit board.The lamps and lanterns with LED filament drive circuit board, including the lamp cap connected to power supply, the radiator being fixedly connected with the lamp cap, multiple LED filaments positioned at the radiator end and the lampshade outside the LED filament, the LED filament, including resin photic zone, substrate, along multiple LED wafers of substrate length direction arrangement, the multiple pins extended outside towards the resin photic zone, each described pin is connected with a conducting wire, the LED wafer both ends are electrically connected with a conducting wire respectively, the LED filament further includes drive circuit board, the drive circuit board has the output end connecting with multiple pins, the drive circuit board is used to control the electric current output of each output end.Drive circuit board makes the lamps and lanterns with LED filament drive circuit board have several lighting modules by controlling LED filament.

Description

A kind of lamps and lanterns with LED filament drive circuit board

Technical field

The utility model relates to field of light fittings, especially a kind of lamps and lanterns with LED filament drive circuit board.

Background technique

LED is called light emitting diode, is a kind of solid state semiconductor devices that can convert electrical energy into visible light, it can Directly to convert electricity to light.The heart of LED is the chip (LED wafer) of a semiconductor, and one end of chip is attached to a branch On frame, one end is cathode, and the other end connects the anode of power supply, is encapsulated entire chip by epoxy resin.Semiconductor wafer Consist of two parts, a part is P-type semiconductor, and hole is occupied an leading position inside it, and the other end is N-type semiconductor, at this While being mainly electronics.But when both semiconductors connect, a P-N junction is just formed between them.When electric current passes through When conducting wire acts on this chip, electronics will be pushed to the area P, and electronics, then will be with light with hole-recombination in the area P The form of son issues energy, and here it is the principles that LED light shines.And the wavelength of light i.e. the color of light, it is by formation P-N junction Material determine.

The light-emitting component of LED mainly has LED lamp bead (straight cutting, patch), two kinds of forms of LED filament.The luminous mould of LED filament Formula is single.In order to obtain there are many lamps and lanterns of light-emitting mode, usually luminaire manufacturer manufactures or purchases respectively circuit board (containing control Device processed), lamp bead, after lamp bead is welded one by one on circuit boards, the quantity of lamp bead is more.

Referring to Figure 1, notification number is that the Chinese utility model patent of CN204442783U discloses a kind of bluetooth LED light Tool, including chassis, cover at the lampshade on chassis, several LED light source structures on chassis, be set to chassis on and and LED The LED intelligent controller of light-source structure connection.Several LED lamp beads that LED light source structure includes substrate, is laid on substrate； The intelligent control circuit of the interior illumination effect for being equipped with receivable Bluetooth control signal and controlling LED lamp bead of LED intelligent controller； Intelligent control circuit include fuse F1, power supply circuit, the control module being connect with power supply circuit, connect with control module and by The the first control switch circuit and the second control switch circuit of control module control, the first control switch circuit, the second control are opened Powered-down road is connect with LED lamp bead respectively；It is equipped with the bluetooth module that can receive external Bluetooth control signal in control module, also sets There is the control processing module for the illumination effect that can regulate and control LED lamp bead according to Bluetooth control signal.

The prior art can not control multiple LED lamp beads by controller simultaneously, therefore that there are light-emitting modes is more single Problem.

Utility model content

In order to overcome the above problem, the utility model provides a kind of band LED filament driving electricity with several lighting modules The lamps and lanterns of road plate.

In order to achieve the above-mentioned advantages, the utility model provides a kind of lamps and lanterns with LED filament drive circuit board, including connect with power supply The lamp cap that connects, the radiator being fixedly connected with the lamp cap, positioned at the radiator end multiple LED filaments and be located at institute The lampshade outside LED filament is stated, the LED filament, including resin photic zone, substrate, along the multiple of substrate length direction arrangement LED wafer, the multiple pins extended outside towards the resin photic zone, each described pin is connected with a conducting wire, described LED wafer both ends are electrically connected with a conducting wire respectively, and the LED filament further includes drive circuit board, the driving circuit Plate has the output end connecting with multiple pins, and the drive circuit board is used to control the electric current of each output end Output.

In one embodiment of the utility model, the substrate is made of insulating material, and the substrate is for described in fixation LED wafer, the conducting wire.

In one embodiment of the utility model, the substrate is also used to fix multiple pins.

In one embodiment of the utility model, the resin photic zone is wrapped in the LED chip, outside the conducting wire.

In one embodiment of the utility model, the drive circuit board is used to control the size of current of the output end.

In one embodiment of the utility model, the drive circuit board is also used to control the electricity of each output end Flow time and the direction of output.

In one embodiment of the utility model, the conducting wire is printed circuit.

In one embodiment of the utility model, the substrate is pcb board.

In one embodiment of the utility model, the radiator is to be detachably connected with the lampshade.

In one embodiment of the utility model, the lamp cap is left hand thread structure.

In the utility model, drive circuit board has the lamps and lanterns with LED filament drive circuit board by controlling LED filament There are many light-emitting modes.

Detailed description of the invention

Fig. 1 show the structural schematic diagram of the Bluetooth LED lamp of the prior art.

Fig. 2 show the structural schematic diagram of the lamps and lanterns with LED filament drive circuit board of the utility model first embodiment.

Fig. 3 show the structural schematic diagram of the LED filament of the lamps and lanterns with LED filament drive circuit board of Fig. 2.

Fig. 4 show the cut-away illustration of the LED filament of Fig. 3.

Fig. 5 show the structural schematic diagram of the substrate of the LED filament of the utility model second embodiment.

Fig. 6 show the partial enlarged view at the substrate A of the LED filament of Fig. 5.

Fig. 7 show the structural schematic diagram of the LED filament of the utility model 3rd embodiment.

Fig. 8 show the structural schematic diagram of the LED filament of the utility model fourth embodiment.

Fig. 9 show the cut-away illustration of the LED filament of Fig. 8.

Figure 10 show the structural representation of the lamps and lanterns with LED filament drive circuit board of the 5th embodiment of the utility model Figure.

Figure 11 show the structural schematic diagram of the LED filament of the utility model sixth embodiment.

Figure 12 show the bottom view of the LED filament of Figure 11.

Specific embodiment

Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken, Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes specific embodiment, structure, feature and its effect, Detailed description is as follows.

Refer to Fig. 2, the lamps and lanterns with LED filament drive circuit board of the utility model first embodiment, including with power supply The lamp cap 71 of connection, the radiator 72 being fixedly connected with the lamp cap 71, multiple LED light positioned at 72 end of radiator Silk a and the lampshade 73 outside the LED filament a.The radiator 72 is to be detachably connected with the lampshade 73.

Fig. 3, Fig. 4 are referred to, LED filament a includes, resin photic zone 1, substrate 6, along the more of 6 length direction of substrate arrangement A LED wafer 2, the multiple pins 4 extended outside towards the resin photic zone 1, each described pin 4 are connected with a conducting wire 5,2 both ends of LED wafer are electrically connected with a conducting wire 5 respectively, and the resin photic zone 1 is wrapped in the LED wafer 2, institute It states outside conducting wire 5.

The substrate 6 is pcb board.The substrate 6 is made of insulating material, and the substrate 6 is brilliant for fixing the LED Piece 2, the conducting wire 5 and the pin 4.

Conducting wire 5 is printed circuit.The conducting wire 5 has multiple for connecting the tie points of LED wafer 2 to 61, tie point It is electrically connected to 61 with conducting wire 5.Tie point is rectangular or round to 61.

The lamps and lanterns with LED filament drive circuit board further include drive circuit board 3, and drive circuit board 3 is located at band LED filament In the lamp radiator 72 of drive circuit board, the drive circuit board 3 has the output end 31 connecting with multiple pins 4, The drive circuit board 3 is used to control the electric current output of each output end 31.Drive circuit board 3 is also used to control described The size of current of output end 31.31 drive circuit board 3 of output end is also used to control the electric current output of each output end 31 Time and direction.

The size of current and each output end 31 that drive circuit board 3 passes through control output end 31 corresponding with pin 4 Electric current output time and direction make the LED wafer 2 realize several lighting modules.

Refer to Fig. 5, Fig. 6, in the second embodiment of the utility model, drive circuit board 3 is located at the substrate of LED filament a 6 surfaces, the output end 31 of drive circuit board 3 are electrically connected with multiple pins 4 respectively.

During the installation process, multiple LDE filament a connect to power supply can room LED wafer 2 realize several lighting modules.Phase The drive circuit board being located in shell 72 than first embodiment need to be electrically connected with multiple LED filaments, and the installation of the present embodiment is more For efficiently and reduce installation accuracy.

Refer to Fig. 7, in the 3rd embodiment of the utility model, the conducting wire 5 of LED filament is electrically connected with drive circuit board 3.

In use, drive circuit board 3 controls the size of current and each output end 31 of multiple output ends 31 Electric current output time, thus make the LED filament realize several lighting modules.

Refer to Fig. 8, Fig. 9, in the fourth embodiment of the utility model, conducting wire 5 includes the first conducting wire 5a, the second conducting wire 5b, privates 5c.LED wafer 2 is fixed on above the second conducting wire 5b by insulating cement 5d, and 2 both ends of LED wafer are respectively with first Conducting wire 5a or the second conducting wire 5b or privates 5c is electrically connected by gold thread 62, and the first conducting wire 5a, the second conducting wire 5b, third are led The end of line 5c is electrically connected with output end 31 respectively.

During the installation process, LED wafer 2 is fixed on above the second conducting wire 5b, and LED wafer 2 is by gold thread 62 respectively with the One conducting wire 5a, the second conducting wire 5b or the first conducting wire 5a, privates 5c or the second conducting wire 5b, privates 5c electrical connection.It compares In the conducting wire that first embodiment is printed circuit, the installation process of the present embodiment is more easy.

Referring to Figure 10, in the 5th embodiment of the utility model, the lamp cap 71 is left hand thread structure.Left hand thread The lamp cap 71 of structure is used to prevent the lamp cap 8 from connecting with the power supply for being higher than LED filament a setting voltage.

The screw thread of most light bulbs is right-handed thread on the market at present, in contrast, the lamp cap 71 of left hand thread structure with Connection error caused by mismatching because of screw thread is avoided in the connection procedure of lamp holder, so as to avoid LED filament a because of overtension Caused damage.

1, Figure 12 referring to Figure 1, in the sixth embodiment of the utility model, the end of the conducting wire 5 has for connecting LED Multiple connection units 9 of unit Oa, connection unit 9 include: bonding pad 91, Zone R 92, the area G 93, the area B 94.Bonding pad 91 is by drawing Foot 4 is connect with the positive or negative pole of power supply, and Zone R 92, the area G 93, the area B 94 are connected by the positive or negative pole of pin 4 and power supply respectively It connects.Bonding pad 91 and Zone R 92, the area G 93 are fixed with LED unit Oa between the area B 94.

The corresponding LED unit Oa of the multiple and connection unit 9 that the LED filament of the colour has, LED unit Oa is along length Direction arrangement.Each LED unit Oa includes the different LED wafer 2 of multiple colors, and LED wafer 2 can be subdivided into LED crystalline substance again Piece O1, LED wafer O2, LED wafer O3.The both ends of LED wafer O1 are connected and fixed with bonding pad 91, Zone R 92 respectively；LED is brilliant The both ends of piece O2 are connected and fixed with bonding pad 91, the area G 93 respectively；The both ends of LED wafer O3 connect with bonding pad 91, the area B 94 respectively Connect fixation.LED wafer O1 can produce red light source, and LED wafer O2 can produce green light source, and LED wafer O3 can produce blue light Source.6 back side of substrate is equipped with the metal dots 95 that are electrically connected with bonding pad 91, Zone R 92, the area G 93, the area B 94, bonding pad 91, Zone R 92, The area G 93, the area B 94 are respectively equipped with metal aperture 96 corresponding with metal dots 95.When the conducting wire 5 for being located at 6 surface of substrate is unable to satisfy pair When the wiring of connection unit 9, metal dots 95 can be then electrically connected by being arranged in the conducting wire 5 at 6 back side of substrate with corresponding pin 4.

During the installation process, connection unit 9 and conducting wire 5 are laid out in advance, then with LED chip O1, LED wafer O2, LED wafer O3 be one group be installed on 9 surface of connection unit, finally by resin photic zone 1 be wrapped in substrate 6, LED unit Oa, Outside connection unit 9 and conducting wire 5, to complete to install.

In the present embodiment, drive circuit board 3 is by controlling the size of current and often of corresponding with pin 4 output end 31 The time of the electric current output of one output end 31 and direction enable the LED filament to generate the light of multicolour when being powered.

In the utility model, drive circuit board 3 by control corresponding with pin 4 output end 31 size of current and The time of the electric current output of each output end 31 and direction make the LED filament realize several lighting modules.

In the utility model, drive circuit board has the lamps and lanterns with LED filament drive circuit board by controlling LED filament There are many light-emitting modes.

More than, it is only the preferred embodiment of the utility model, limit in any form not is made to the utility model System, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with sheet Technical professional is not departing within the scope of technical solutions of the utility model, when the technology contents work using the disclosure above A little change or it is modified to the equivalent embodiment of equivalent variations out, but all without departing from the content of the technical scheme of the utility model, according to According to the technical essence of the utility model any simple modification, equivalent variations and modification to the above embodiments, still fall within In the range of technical solutions of the utility model.

Claims (10)

1. a kind of lamps and lanterns with LED filament drive circuit board, including connect to power supply lamp cap, be fixedly connected with the lamp cap Radiator, multiple LED filaments positioned at the radiator end and the lampshade outside the LED filament, which is characterized in that The LED filament, including resin photic zone, substrate, along multiple LED wafers of substrate length direction arrangement, towards the tree The multiple pins extended outside rouge photic zone, each described pin are connected with a conducting wire, and the LED wafer both ends are respectively with one The electrical connection of conducting wire described in root, the LED filament further includes drive circuit board, and the drive circuit board has and multiple pins The output end of connection, the drive circuit board are used to control the electric current output of each output end.

2. the lamps and lanterns according to claim 1 with LED filament drive circuit board, which is characterized in that the substrate is by insulating Material is made, and the substrate is for fixing the LED wafer, the conducting wire.

3. the lamps and lanterns according to claim 1 with LED filament drive circuit board, which is characterized in that the substrate is also used to Fixed multiple pins.

4. the lamps and lanterns according to claim 1 with LED filament drive circuit board, which is characterized in that the resin photic zone It is wrapped in the LED wafer, outside the conducting wire.

5. the lamps and lanterns according to claim 4 with LED filament drive circuit board, which is characterized in that the drive circuit board For controlling the size of current of the output end.

6. the lamps and lanterns according to claim 4 with LED filament drive circuit board, which is characterized in that the drive circuit board It is also used to control time and the direction of the electric current output of each output end.

7. the lamps and lanterns according to claim 1 with LED filament drive circuit board, which is characterized in that the conducting wire is printing Circuit.

8. the lamps and lanterns according to claim 1 with LED filament drive circuit board, which is characterized in that the substrate is PCB Plate.

9. the lamps and lanterns according to claim 1 with LED filament drive circuit board, which is characterized in that the radiator and institute Stating lampshade is to be detachably connected.

10. the lamps and lanterns according to claim 1 with LED filament drive circuit board, which is characterized in that the lamp cap is left-handed Helicitic texture.